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Investment securities (Tables)

12 Months Ended

Dec. 31, 2014

Investments, All Other Investments [Abstract]

Schedule of Cost Method Investments [Table Text Block]

Following is a summary of such investments which are accounted for using the cost method as of December 31, 2013 and 2014:

		December 31,
		2013			2014
		(in thousands)
Chi Lin Optoelectronics Co., Ltd.		$	625			625
Chi Lin Technology Co. Ltd.			432			432
Jetronics International Corp.			1,600			432
C Company			8,962			8,962
S Company			5,189			-
L Company			4,000			-
eTurboTouch Technology Inc.			477			477
Oculon Optoelectronics Inc.			309			-
Shinyoptics Corp.			283			283
		$	21,877			11,211

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- Definition

A tabular disclosure of (a) the aggregate carrying amount of all cost-method investments; (b) the aggregate carrying amount of cost-method investments that the investor did not evaluate for impairment for cost-method investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596

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